Home / 14,253.11-21,381.96-4,392.39

Finding the Fourth Proportional to 14,253.11, 21,381.96 and 4,392.39

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Solution

The fourth proportional to 14,253.11, 21,381.96 and 4,392.39 is: 6,589.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,253.11 : 21,381.96 = 4,392.39 : x
  2. Step 2: Convert to fraction form
    14,253.11/21,381.96 = 4,392.39/x
  3. Step 3: Cross multiply
    14,253.11x = 21,381.96 × 4,392.39
  4. Step 4: Simplify right side
    14,253.11x = 93,917,843.57
  5. Step 5: Solve for x
    x = 93,917,843.57/14,253.11
  6. Step 6: Final answer
    x = 6,589.29

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.